Every day uses for solar energy
chinadaily.com.cn | 2017-07-21 13:57
Editor's note: As technology advances and people are becoming more aware about the environment, solar energy is playing an important role in people's lives.
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A solar-powered DEMU (diesel electrical multiple unit) train launched from Safdarjung Railway station in New Delhi, India, July 14, 2017. [Photo/ world.huanqiu.com] |
